Self-sensing composites: in-situ cure monitoring

Liwei Wang, Shoaib Malik, Dee Harris, Gerard Fernando

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The term self-sensing composites is used to describe the case where the reinforcing glass fibres in advanced fibre reinforced composites are used as the sensors for chemical process monitoring (cure monitoring). This paper presents conclusive evidence to demonstrate that reinforcing E-glass fibres can be used for in-situ cure monitoring. The cure behaviour of an epoxy/amine resin system was compared using evanescent wave spectroscopy via the reinforcing E-glass fibre and conventional Fourier transform infrared spectroscopy. This paper also reports for the first time that evanescent wave spectroscopy via E-glass fibres can be used to detect the presence of silane coupling agents. Preliminary results indicated that the cure kinetics on the E-glass fibre surface, as observed using evanescent wave spectroscopy, were influenced by the silane coupling agent.
Original languageEnglish
Article number64231F
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume6423
DOIs
Publication statusPublished - 1 Jan 2007
EventInternational Conference on Smart Materials and Nanotechnology in Engineering - Harbin, China
Duration: 1 Jul 20074 Jul 2007

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